diff --git a/composer.json b/composer.json
index 908e7c5..7d52ef2 100644
--- a/composer.json
+++ b/composer.json
@@ -7,7 +7,7 @@
     ],
     "require": {
         "php": " >=8.3",
-        "ibexa/core": "~5.0.x-dev",
+        "ibexa/core": "dev-ibx-8470-symfony-6 as 5.0.x-dev",
         "symfony/config": "^6.4",
         "symfony/dependency-injection": "^6.4",
         "symfony/event-dispatcher": "^6.4",
@@ -18,7 +18,7 @@
     },
     "require-dev": {
         "ibexa/code-style": "~2.0.0",
-        "ibexa/doctrine-schema": "~5.0.x-dev",
+        "ibexa/doctrine-schema": "dev-ibx-8470-symfony-6 as 5.0.x-dev",
         "phpstan/phpstan": "^1.10",
         "phpstan/phpstan-phpunit": "^1.3",
         "phpstan/phpstan-symfony": "^1.3",